<html>
<head>
    <meta charset="UTF-8">
    <link href="static/assets/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"/>
    <link href="static/assets/global/css/components.css" rel="stylesheet" type="text/css"/>
    <link href="static/assets/admin/pages/css/login.css" rel="stylesheet" type="text/css"/>
    <script src="static/assets/global/plugins/jquery-1.11.0.min.js" type="text/javascript"></script>
    <title>商品详情</title>
</head>
<body class="login">
    <div class="content">
        <h3 class="form-title">商品详情</h3>
        <div id="promoStartDateContainer" class="form-group">
            <label style="color: blue;" id="promoStatus" class="control-label" />
            <div>
                <label style="color: red;" class="control-label" id="promoStartDate"/>
            </div>
        </div>
        <div class="form-group">
            <div>
                <label class="control-label" id="title"/>
            </div>
        </div>
        <div class="form-group">
            <label class="control-label">商品描述</label>
            <div>
                <label class="control-label" id="description"/>
            </div>
        </div>
        <div id="normalPriceContainer" class="form-group">
            <label class="control-label">价格</label>
            <div>
                <label class="control-label" id="price"/>
            </div>
        </div>
        <div id="promoPriceContainer" class="form-group">
            <label style="color: red;" class="control-label">活动价格</label>
            <div>
                <label style="color: red;" class="control-label" id="promoPrice"/>
            </div>
        </div>
        <div class="form-group">
            <div>
                <img style="width: 200px; height: auto;" id="imgUrl">
            </div>
        </div>
        <div class="form-group">
            <label class="control-label">库存</label>
            <div>
                <label class="control-label" id="stock"/>
            </div>
        </div>
        <div class="form-group">
            <label class="control-label">销量</label>
            <div>
                <label class="control-label" id="sales"/>
            </div>
        </div>
        <div class="form-actions">
            <button class="btn blue" id="createorder" type="submit">
                下单
            </button>
        </div>
    </div>

</body>

<script>
    var g_itemVO = {};
    $(document).ready(function() {
        $("#createorder").on("click",function(){
            $.ajax({
            type: "POST",
            contentType:"application/x-www-form-urlencoded",
            url: "http://localhost:8080/order/createorder",
            data: {
                "itemId": g_itemVO.id,
                "amount":1,
                "promoId":g_itemVO.promoId
            },
            xhrFields:{
                withCredentials:true
            },
            success: function(data) {
                if (data.status == "success") {
                    alert("下单成功");
                    window.location.href="listorder.html";
                } else {
                    alert("下单失败，原因为" + data.data.errMsg);
                    if(data.data.errCode == 20003){
                        window.location.href="login.html";
                    }
                }
            },
            error: function(data) {
                alert("下单失败，原因为" + data.responseText);
            }
        });

        })
        $.ajax({
            type: "GET",
            url: "http://localhost:8080/item/get",
            data: {
                "id": getParam("id"),
            },
            xhrFields:{
                withCredentials:true
            },
            success: function(data) {
                if (data.status == "success") {
                    g_itemVO = data.data;
                    reloadDom();
                    setInterval(reloadDom,1000);
                } else {
                    alert("获取信息失败，原因为" + data.data.errMsg);
                }
            },
            error: function(data) {
                alert("获取信息失败，原因为" + data.responseText);
            }
        });
    });

    function reloadDom() {
        $("#title").text(g_itemVO.title);
        $("#imgUrl").attr("src", g_itemVO.imgUrl);
        $("#description").text(g_itemVO.description);
        $("#price").text(g_itemVO.price);
        $("#stock").text(g_itemVO.stock);
        $("#sales").text(g_itemVO.sales);
        $("#promoPriceContainer").hide();
        if (g_itemVO.promoStatus == 1) {
            // 活动还未开始
            console.log(g_itemVO.startDate);
            var startTime = g_itemVO.startDate.replace(new RegExp("-", "gm"), "/");
            startTime = (new Date(startTime)).getTime();
            var nowTime = Date.parse(new Date());
            var delta = (startTime - nowTime) / 1000;
            if (delta <= 0) {
                // 活动开始了
                g_itemVO.promoStatus = 2;
                reloadDom();
            }
            $("#promoStartDate").text("活动将于: "+g_itemVO.startDate+" 开始售卖 倒计时: "+delta+" 秒");
            $("#promoPrice").text(g_itemVO.promoPrice);
            $("#createorder").attr("disabled", true);
            $("#promoPriceContainer").show();
        } else if (g_itemVO.promoStatus == 2) {
            // 活动进行中
            $("#promoStartDate").text("活动正在进行中");
            $("#promoPrice").text(g_itemVO.promoPrice);
            $("#createorder").attr("disabled", false);
            $("#normalPriceContainer").hide();
            $("#promoPriceContainer").show();
        }
    }

    function getParam(paramName) {
        paramValue = "", isFound = !1;
        if (this.location.search.indexOf("?") == 0 && this.location.search.indexOf("=") > 1) {
            arrSource = unescape(this.location.search).substring(1, this.location.search.length).split("&"), i = 0;
            while (i < arrSource.length && !isFound)
                arrSource[i].indexOf("=") > 0 && arrSource[i].split("=")[0].toLowerCase() == paramName.toLowerCase() && (paramValue = arrSource[i].split("=")[1], isFound = !0), i++
        }
        return paramValue == "" && (paramValue = null), paramValue
    }
</script>
</html>